#include <iostream>

using namespace std;

class thistest
{
private:
    int a;
    string b;
    char c;
public:
    thistest(){};
    thistest(int a,string b,char c)
    {
        this->a=a;
        this->b=b;
        this->c=c;
    }
    thistest(const thistest &temp)
    {
        this->a = temp.a;
        this->b = temp.b;
        this->c = temp.c;
    }
    ~thistest()
    {

    }
    void printftest()
    {
        cout<<this->a<<endl;
        cout<<this->b<<endl;
        cout<<this->c<<endl;
    }
};
int main()
{
    cout << "Hello World!" << endl;

    thistest test1(11,"yiyi",'a');
    test1.printftest();

    return 0;
}
